I am using [b]DC-DC with isolation power supply module A0505S-2W dual output 5V to positive and negative 5V power 2W[/b]. I want to input 5V voltage and output positive and negative 5V. I looked at th...
I have just started to work with microcontrollers and I am still reading programs written by others. Now I don’t quite understand the programs about communication between microcontrollers and PCs. I h...
[i=s]This post was last edited by mikeliujia on 2014-12-7 23:31[/i] Having used TI's CC1100 and CC2430, I would like to share the ATmega16L+CC1100 wireless development platform. In fact, this platform...
1. If it is manual welding, you should develop good habits. First, before welding, you should visually check the PCB board and use a multimeter to check whether the key circuit (especially the power s...
[i=s]This post was last edited by damiaa on 2015-11-17 16:18[/i] [size=3]I am very happy to get the opportunity to evaluate the STM32F4 DISCOVERY Kit for STM32F469 MCU provided by EEWORLD. Here are se...
The price is 100 yuan, not including postage. QQ1625345502The number of college graduates is increasing year by year, and the competition for employment is becoming more and more fierce. Enterprises h...
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
Today's automotive application developers face numerous design challenges as modern cars add more electronic functionality, while the need for lower power consumption and smaller printed circuit bo...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]
Traditional synthesis techniques are increasingly unable to meet the needs of today's very large and complex FPGA designs implemented in 90nm and below process nodes. The problem is that traditio...[Details]
I. Introduction
The use of electronics in cars dates back to the early 20th century when electric starters replaced hand cranks. Automotive electronics became popular in the 1960s with the...[Details]
PID is proportional differential adjustment. You can refer to the detailed introduction in the automatic control course for details! The positive action and the negative action in temperature contr...[Details]